Model.validates { presence_of :name }

Manage your Amazon Kindle highlights: Sync and cache to an ActiveRecord database and output in various formats

This plugin lets you define specific columns in ActiveRecord models to be loaded lazily

Use database lookup tables in AR models.

ManageIQ Appliance Console

Ruby wrapper for Amazon CloudSearch (aws-sdk), with ActiveRecord, Mongoid support for easy integration with your Rails application

Separate schema-only migrations from nondestrucitve (data) migrations in your Rails app

Writer methods parameters normalization

once-ler supercharges your let's and before's with the performance of before(:all)

Migrations

Pandas wrapper for Ruby

Allow Paperclip attachments to be stored on FTP servers

ActiveRecord extension for querying hstore and jsonb.

Adds methods to ActiveRecord::Migration to create and manage PostgreSQL objects in Rails

Simple API to run Model methods in the background

A faster alternative to the custom use of `in_batches` with `pluck`.

Provides the ability to create Active Record objects from Protocol Buffer messages and vice versa.

Automatic generates public unique identifier for model

Support && Add syntax sugar to #or query method in Rails 3, 4, 5.

Provides a module insertion protocol to facilitate adding features to ActiveRecord